Bourns 2305-H 22µH Toroidal Inductor Equivalent & Substitute Parts

Part Overview

The Bourns 2305-H is a 22 µH unshielded toroidal inductor rated for 16.4 A continuous current with 7mOhm maximum DC resistance. This through-hole component features an iron powder core and operates across the -55°C to 105°C temperature range. The 2305-H carries obsolete product status, making identification of active equivalent parts essential for ongoing design support and procurement continuity.

Substiute Parts

2305-H
Bourns Inc.In Stock: 9852305-H Datasheet
2305-H
Current Part
2305-H-RC
Bourns Inc.In Stock: 8882305-H-RC Datasheet
2305-H-RC
Direct

Key Parameters

Parameter Value
Inductance 22 µH
Inductance Tolerance ±15%
Current Rating 16.4 A
DC Resistance (Max) 7mOhm
Core Material Iron Powder
Shielding Unshielded
Package Type Radial, Horizontal (Open)
Mounting Through Hole
Operating Temperature -55°C to 105°C
Physical Diameter 1.280" (32.51mm)
Physical Height 0.650" (16.51mm)

Substitute Part Grouping Explanation

The 2305-H-RC qualifies as a direct substitute based on identical electrical and mechanical parameters. Substitution eligibility is determined by the following criteria:

  • Inductance value and tolerance match (22 µH ±15%)
  • Current rating equivalence (16.4 A)
  • DC resistance specification match (7mOhm Max)
  • Core material consistency (Iron Powder)
  • Identical shielding configuration (Unshielded)
  • Matching package and mounting type (Radial, Horizontal, Through Hole)
  • Compatible physical dimensions (1.280" Dia × 0.650" Height)
  • Operating temperature range coverage (-55°C to 105°C)

The 2305-H-RC maintains all functional and mechanical compatibility while offering improved product status and compliance certifications.

Parameter Comparison

Parameter 2305-H (Main) 2305-H-RC (Substitute)
Inductance 22 µH 22 µH
Inductance Tolerance ±15% ±15%
Current Rating (Amps) 16.4 A 16.4 A
DC Resistance (Max) 7mOhm 7mOhm
Core Material Iron Powder Iron Powder
Shielding Unshielded Unshielded
Package / Case Radial, Horizontal (Open) Radial, Horizontal (Open)
Mounting Type Through Hole Through Hole
Operating Temperature -55°C to 105°C -55°C to 105°C
Physical Diameter 1.280" (32.51mm) 1.280" (32.51mm)
Physical Height 0.650" (16.51mm) 0.650" (16.51mm)
Product Status Obsolete Active
RoHS Status RoHS non-compliant ROHS3 Compliant
Packaging - Bulk

Engineering Selection Recommendations

The 2305-H-RC is the appropriate selection for new designs and ongoing production. This part maintains complete electrical and mechanical equivalence to the obsolete 2305-H while offering two significant advantages:

  1. Active product status ensures long-term availability and manufacturing support from Bourns Inc.
  2. ROHS3 compliance satisfies current regulatory requirements for electronic component procurement in regulated markets.

The 2305-H remains suitable only for legacy system maintenance where original part specifications are mandated and RoHS non-compliance is acceptable within the application context.

Frequently Asked Questions (FAQ)

Q: Can the 2305-H-RC be used as a direct replacement for the 2305-H in existing designs?

A: Yes. The 2305-H-RC provides complete functional and mechanical compatibility. All electrical parameters, physical dimensions, and mounting characteristics are identical. The primary differences are product status and RoHS compliance.

Q: What is the difference between the 2305-H and 2305-H-RC packaging?

A: The 2305-H uses standard packaging (denoted as "-"), while the 2305-H-RC is supplied in Bulk packaging. Both formats contain the same component; packaging designation reflects supplier delivery configuration.

Q: Are there any thermal or frequency performance differences between these parts?

A: No. Both parts operate across the identical temperature range (-55°C to 105°C) and are tested at 1 kHz inductance frequency. No performance differentiation exists in thermal or frequency characteristics.

Q: Why is the 2305-H marked as obsolete?

A: The 2305-H has been superseded by the 2305-H-RC in Bourns' product line. The 2305-H-RC offers improved compliance status while maintaining all functional specifications.

Q: Can these inductors be used interchangeably in PCB layouts?

A: Yes. Identical physical dimensions (1.280" diameter, 0.650" height) and radial horizontal mounting configuration ensure direct PCB footprint compatibility.

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